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| Number | Title | Issue Date |
| 7862332 | Apparatus for controlling pollution from a cement plant A method and apparatus for reducing air pollutants associated with dry process, precalciner cement manufacturing is shown. Raw feed meal used in cement production is heated in a special heating chamber to drive off volatile compounds, such as organic materials and s... | 01/04/2011 |
| 7350318 | Continuous thermal treatment of bulk material The invention relates to a device for continuous heat treatment of granulated materials, especially to the crystallization of polymer granulate, such as polyethyleneterephthalate (PET) for example. The device comprises several adjacent fluidization chambers respecti... | 04/01/2008 |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 7287477 | Cyclone bypass for a circulating fluidized bed reactor A method of and an apparatus for operating a circulating fluidized bed reactor having a furnace with a discharge port for exhaust gas, and a particle separator having an inlet connected to the exhaust gas discharge port and an outlet duct for the exhaust gas and a r... | 10/30/2007 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7263934 | Methods for generating energy using agricultural biofuel A process comprising, providing an agricultural biofuel to a fluidized bed reactor and combusting the agricultural biofuel to produce heat and/or steam is disclosed. In one embodiment, the agricultural biofuel is selected from the group consisting of agricultural cr... | 09/04/2007 |
| 7229944 | Fiber structures including catalysts and methods associated with the same Fiber structures that include a catalytic material are provided. The fiber structures (e.g., membranes) may be formed of interconnected carbon fibers. The catalytic material may be in the form of nanosize particles supported on the fibers. In one method of the inven... | 06/12/2007 |
| 7100301 | Combustible grain drying system for producing energy byproduct A system for drying grain includes a receiving bin defining a cavity therein and further includes intake and outlet ports. A conduit is operably connected to the receiving bin that includes a plurality of check valves and a stop valve. The system further includes a ... | 09/05/2006 |
| 7029273 | Process for carbonizing wood residues and producing activated carbon An apparatus and process for preparing activated carbon from a wood or wood residue feedstock using fluidized bed technology. The fluidized bed apparatus has a number of wood residue inlets that allow differing residence times in the fluidized bed apparatus appropri... | 04/18/2006 |
| 6993857 | Milling and drying apparatus incorporating a cyclone A cyclone which includes an upper cylindrical portion opening into the wider end of a lower frustro-conical portion, with a primary air inlet such that the inlet air is substantially tangential to the circumference of the cyclone, and an exhaust outlet at or adjacen... | 02/07/2006 |
| 6808390 | Process for carbonizing wood residues and producing activated carbon An apparatus and process for preparing activated carbon from a wood or wood residue feedstock using fluidized bed technology. The fluidized bed apparatus has a number of wood residue inlets that allow differing residence times in the fluidized bed apparatus appropri... | 10/26/2004 |
| 6506048 | Apparatus and method for transferring heat treated parts A parts container for minimizing oxidation of heat-treated parts during transfer in an oxygen-containing environment. The container includes: a heat-resistant vessel having an interior space and including oppositely positioned first and second apertures; ... | 01/14/2003 |
| 6368884 | Die-based in-fab process monitoring and analysis system for semiconductor processing A method is provided for manufacturing, the method including processing a workpiece in a plurality of processing steps and measuring characteristics of the processing performed on the workpiece in at least two of the plurality of processing steps. The met... | 04/09/2002 |
| 6264465 | Combustion device A combustion apparatus for use as a boiler wherein RDF is burned as the fuel, or as an incinerator for burning municipal waste. The apparatus is diminished in the quantities of NOx produced, permits a dust collector to achieve an improved efficiency in se... | 07/24/2001 |
| 6168424 | Installation for thermal treatment of suspended powder substances, and use for flash calcining of mineral, in particular clayey, substances An installation for quick thermal treatment of suspended powder substances, in particular for flash calcining of mineral substances, comprises modules advantageously arranged in mobile units including elements for supplying powder substances, a combustion... | 01/02/2001 |
| 6125552 | Side discharge assembly for a fluid bed processing system and method thereof A fluid bed processing system in accordance with one embodiment of the present invention includes a product chamber, a fluid supply system, and a discharge gate. The product chamber has an open top and an open bottom and the fluid supply system has an out... | 10/03/2000 |
| 6042369 | Fluidized-bed heat-treatment process and apparatus for use in a manufacturing line A method for rapid heat treatment, quenching and aging of an article includes placing the article in a fluidized bed and conveying the article through the bed. Heat treatment, quenching and aging of the part can be done in less than two hours using this m... | 03/28/2000 |
| 5954000 | Fluid bed ash cooler Apparatus for cooling ash exiting from circulating fluidized bed equipment includes an enclosure having a floor, a plurality of walls disposed around the floor and a ceiling. The enclosure also has an inlet and an outlet. The outlet is disposed in one of ... | 09/21/1999 |
| 5788482 | Sintering method of cement clinkers and sintering apparatus of the same An apparatus for sintering a cement clinker in which preheated powdered raw materials are granulated and sintered in a single fluidized bed granulating and sintering furnace. The apparatus includes a first classifying station having a discharging grooved ... | 08/04/1998 |
| 5782973 | Cement dust recovery system A process of treating dust from a cement manufacturing operation. The process comprises adding carbon bearing material to the dust catch from a cement manufacturing operation to form a mixture, which is formed into nodules and sizing the nodules to obtain... | 07/21/1998 |
| 5711234 | Process for continuous fluidized bed agglomeration A process for the continuous fluidized bed agglomeration of a solid in powder form, wherein the powder, a granulating liquid and propelling air are fed through a three-substance nozzle into the center of a fluidized bed to form a three-phase mixture in th... | 01/27/1998 |
| 5688472 | Solids fluidization system Disclosed is a system for fluidizing a dense phase bed of solid particles, preferably a dense bed of solid catalyst particles. The system includes a dense bed solids housing, a dense bed solids support within the housing, a fluid injection component which... | 11/18/1997 |
| 5536167 | Method and apparatus for sintering cement clinker An apparatus for sintering cement clinker with a spouted fluidized bed granulating furnace and a fluidized bed sintering furnace is provided which includes a perforated distributor having a multiplicity of nozzle holes through which gas for granulating in... | 07/16/1996 |
| 5490469 | Method and apparatus for heating the bed material in a PFBC plant A method of heating of bed material in a PFBC plant including a combustor and wherein bed level adjustment due to a load change is accomplished by injecting bed material into or discharging it from the combustor through feeding devices, the method includi... | 02/13/1996 |
| 5441406 | Firing liquid and gaseous fuels for a circulating fluidizing bed reactor A method and system for introducing combustion gases to the upper portion of the dense phase or transition portion of a circulating fluidized bed reactor. The combustion gases are produced in a burner external to the dense phase portion of the reactor whe... | 08/15/1995 |
| 5376000 | Apparatus and process for extracting metal values from foundry sands Apparatus and process for extracting simultaneously metal values from foundry sands, said apparatus comprising a thermostated column which is in flow communication with a controlled air supply source and with a heating system arranged to keep said column ... | 12/27/1994 |
| 5376622 | Method of manufacturing an ingot of a high critical temperature superconductive oxide A melting-and-solidification manufacturing method for manufacturing an ingot of a high critical temperature superconductive oxide belonging, in particular, to the YBaCuO, BiSrCaCuO, or TlBaCaCuO families, wherein: an ingot of oxide having the appropriate stoic... | 12/27/1994 |
| 5325607 | Reactor for drying water-containing solids in a heated fluidized bed and method of operating the reactor A reactor for drying solids in a heated fluidized bed comprising over the fluidized bed a vapor-collecting space provided with a vapor outlet. Means for feeding the water-containing solids are provided over the vapor-collecting space. A conical distributo... | 07/05/1994 |
| 5253741 | Fluidized bed steam reactor including two horizontal cyclone separators and an integral recycle heat exchanger A fluidized bed reactor in which partitions disposed within a vessel form first and second furnace sections, first and second troughs and a heat exchange section such that the first trough is disposed between the first furnace section and the heat recover... | 10/19/1993 |
| 5218931 | Fluidized bed steam reactor including two horizontal cyclone separators and an integral recycle heat exchanger A fluidized bed reactor in which partitions disposed within a vessel form first and second furnace sections, first and second troughs and a heat exchange section such that the first trough is disposed between the first furnace section and the heat recover... | 06/15/1993 |
| 5202080 | Fluidized bed apparatus An apparatus is disclosed for heat treating a granular material. The apparatus includes a retort having a volume sized to receive a bed of fluidizing particles at a predetermined elevation within the volume and a plurality of electrically powered infrared... | 04/13/1993 |
| 5171545 | Apparatus and method for decontamination of microspheres used in a fluidized patient support system An apparatus and method for decontaminating contaminated microspheres of a patient support system employing a fluidizing medium to fluidize the microspheres to provide support for the patient, includes a tank for containing the microspheres. The tank incl... | 12/15/1992 |
| 5171542 | Circulating fluidized bed reactor Dynamic fluidized-bed reactor for carrying out a chemical or physical multi-component process, which said reactor comprises a preferably vertical, cooled or uncooled reactor chamber and a preferably horizontal cyclone that discharges the solid matter thro... | 12/15/1992 |
| 5158449 | Thermal ash agglomeration process A process and apparatus for thermal agglomeration of high melting temperature ashes in fluidized bed processes is disclosed. Carbonaceous material to be combusted, incinerated or gasified is introduced into a fluidized bed supported on a perforated slopin... | 10/27/1992 |
| 5115749 | Method of attaining uniform flow in elongated fluidized bed furnace A method of attaining a uniform flow in an elongated fluidized bed furnace, used for the purpose of preventing the expansion and uniting of bubbles in the fluidized bed, and setting the fluidized bed in a uniform flow state, so as to keep the flow conditi... | 05/26/1992 |
| 5082634 | Gas distribution plate for fluidization The present invention relates to a fluidized bed apparatus comprising a fluidization grid arranged in the lower part of this apparatus, this grid being provided at its center with a circular aperture communicating with a discharge chamber and occurring in... | 01/21/1992 |
| 5080729 | Process for rapid quenching in a collapsed bed A method of rapidly quenching articles in a fluidized bed or in a collapsed bed, wherein the bed comprises fine solid particles. A high conductivity gas may be used to transfer heat to or from the fluidized bed or the collapsed bed during at least a porti... | 01/14/1992 |
| 5064479 | Thermal treatment in a fluidized bed Processes and apparatus for the thermal treating of articles, particulary for the quench hardening of metal alloys in an improved fluidized bed containing from 21 to 60 weight percent of fine alumina particles having a size from 20 to 100 microns and from... | 11/12/1991 |
| 5044941 | Fluidized bed system A fluidized bed system comprises at least three cells constituting a fluidized bed. One of the cells interposed between other cells may function as a non-fluidized bed cell in response to the operating condition of the system.... | 09/03/1991 |
| 5039301 | Fluidized bed furnace In a fluidized bed thermal reactor. It includes a main housing including a waste inlet, an exhaust gas outlet, an incombustible solids outlets, a base member, a fluidizable medium located on the base member, a plurality of gas inlets in the base member.... | 08/13/1991 |
